Monday, May 21, 2012

Fine structure splitting

This applet shows the first energy levels of the hydrogen atom splitted due to the fine structure perturbation. The value of the fine structure constant can be manipulated; using the actual value (1/137) gives an almost imperceptible splitting in the scale of the eV.

This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to

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